support/set_fortify_handler.c

   1 /* Set signal handler for use in fortify tests.
   2    Copyright (C) 2016-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <support/support.h>
  20
  21 #include <signal.h>
  22
  23 void
  24 set_fortify_handler (void (*handler) (int sig))
  25 {
  26   struct sigaction sa;
  27
  28   sa.sa_handler = handler;
  29   sa.sa_flags = 0;
  30   sigemptyset (&sa.sa_mask);
  31
  32   sigaction (SIGABRT, &sa, NULL);
  33   ignore_stderr ();
  34 }